(36) باب خَوْفِ الْمُؤْمِنِ مِنْ أَنْ يَحْبَطَ عَمَلُهُ وَهُوَ لاَ يَشْعُرُ
Narrated 'Abdullah:
The Prophet (ﷺ) said, "Abusing a Muslim is Fusuq (an evil doing) and killing him is Kufr (disbelief)." (ES)
Reference (ES): Sahih al-Bukhari 48 (ES)
In-book reference (ES): Book 2, Hadith 41 (ES)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 2, Hadith 47 (ES)